Infratonic QCM

Fringe medicine
A device that emits low-frequency (8–14 Hz) or infratonic sound waves. Infratonic therapy was developed in the 1980s by a Chinese engineer, LY Fang, based on his observation that qigong masters emit high levels of infratonic waves (known as secondary sound) from their hands; according to Fang, everyone emits secondary sound, but that produced by qigong masters is 100- to 1000-fold greater than normal individuals. Infratonic QCM allegedly improves cardiovascular circulation, depression, migraines and muscle relaxation; it is sold in the US as a massage device, as there is no proof of efficacy.

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